package main

import (
	"fmt"
	"time"
)

var count int

func main() {
	go countPlus(10000)
	go countPlus(10000)
	time.Sleep(2 * time.Second)
	fmt.Println(count)
}
func countPlus(times int) {
	for i := 0; i < times; i++ {
		count++
	}
	fmt.Println("over")
}
